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Statutory Instruments

1970 No. 1897

WEIGHTS AND MEASURES

The Weights and Measures (Equivalents for Dealings With Drugs) Regulations 1970

Made

15th December 1970

Laid before Parliament

31st December 1970

Coming into Operation

1st January 1971

The Secretaries of State respectively concerned with health in England, in Wales and in Scotland, acting jointly, in exercise of their powers under section 10(7) of the Weights and Measures Act 1963 as amended by article 2(2) of and Schedule 1 to the Transfer of Functions (Wales) Order 1969(1), section 103 of the Medicines Act 1968 and of all other powers enabling them in that behalf, hereby make the following regulations:—

Citation and commencement

1. These regulations may be cited as the Weights and Measures (Equivalents for dealings with drugs) Regulations 1970 and shall come into operation on 1st January 1971.

Interpretation

2.—(1) In these regulations, unless the context otherwise requires—

“animal” includes any bird, fish or reptile;

“medicated feed supplement” means a dilution of a drug or drugs in a diluent for mixing with animal feeding stuffs;

“ingredient” means a drug which is one constituent of a preparation which is itself a drug;

“mixture” means any liquid preparation intended for administration by mouth which consists of one or more drugs dissolved or suspended in an aqueous or other appropriate vehicle, but does not include an elixir, emulsion, linctus or syrup;

“total quantity” means the total quantity of a drug or of a preparation which is itself a drug other than an ingredient;

“veterinary drug” means a drug ordered, sold or supplied for administration to an animal;

“veterinary prescription” means a prescription for a drug intended for administration to an animal.

(2) In these regulations a reference to a National Formulary shall be a reference to any edition of a formulary issued under the name of the National Formulary, the National War Formulary or the National (War) Formulary or to any edition issued prior to 1968 of the British National Formulary.

(3) In these regulations a reference to a numbered regulation shall be a reference to the regulation bearing that number in these regulations and a reference to a numbered table shall be a reference to a table bearing that number in the schedule to these regulations.

(4) The Interpretation Act 1889 shall apply to the interpretation of these regulations as it applies to the interpretation of an Act of Parliament.

Exclusion from the regulations of drugs in animal feeding stuffs

3. These regulations shall not apply to dealings in drugs which are medicated feed supplements or which are contained in animal feeding stuffs.

Equivalents for weights and volumes of ingredients

4.—(1) The provisions of this regulation shall apply subject to the provisions of regulations 6, 7 and 8.

(2) Any unit of measurement mentioned in column 2 of Table 1 or column 2 of Table 2 shall be treated for the purpose of any dealing with quantities of ingredients as the equivalent of the unit set opposite thereto in column 1 of the table; and for any fraction of one grain not specifically mentioned in column 1 of Table 1, the equivalent for such purpose shall be treated as the corresponding fraction of the equivalent of one grain set out in column 2 of that table.

(3) 28 millilitres shall be treated for the purpose of any dealing with quantities of ingredients of drugs other than veterinary drugs, and 25 millilitres shall be treated for the purpose of any dealing with quantities of ingredients of veterinary drugs, as the equivalent of any quantity of not less than 451 and not more than 480 minims.

(4) 30 grammes shall be treated as the equivalent of one ounce (avoir-dupois or apothecaries) and 25 millilitres shall be treated as the equivalent of one fluid ounce for the purpose of any dealing with quantities of ingredients of veterinary drugs and where any quantity of such ingredients is expressed in terms of a number of ounces or fluid ounces, the equivalent for that purpose shall be 30 grammes or 25 millilitres, as the case may be, multiplied by that number.

Equivalents for weights and volumes of total quantities

5.—(1) The provisions of this regulation shall apply subject to the provisions of regulations 6, 7 and 8.

(2) Any unit of measurement mentioned in column 2 of Table 3 or column 2 of Table 4 shall be treated for the purpose of any dealing with total quantities of drugs as the equivalent of the unit set opposite thereto in column 1 of the table.

(3) Where any quantity of drugs, expressed in terms of one or more of the units mentioned in column 1 of Table 3 or column 1 of Table 4, is greater than one pound or one pint, the equivalent for the purpose of any dealing with total quantities of drugs shall be treated as the corresponding multiple of the equivalent of one pound or one point, as the case may be, specified in column 2 of the relevant table together with the equivalent so specified of any residue of less than a pound or a pint; and in this paragraph “corresponding multiple”, in relation to a quantity of pounds or pints, means the number of times that quantity will divide into units of one pound or one pint, as the case may be.

Equivalents for weights and volumes prescribed by referring to specified monographs

6. Where a prescription for any drug—

(a)refers (whether by the use of the monograph name or otherwise) to a monograph in any edition issued prior to 1968 of the British Pharmaceutical Codex or in a National Formulary and such monograph contains a formulation for the drug expressed in imperial units, and

(b)a formulation for the drug expressed in metric units is contained in the Compendium of Past Formulae 1933 to 1966 issued by the National Pharmaceutical Union in December 1969,

then, for the purpose of dispensing the prescription, the metric equivalent of those imperial units shall be treated as that set out in that compendium instead of the metric equivalent ascertained in accordance with regulations 4 and 5.

Equivalents for doses of liquids

7.—(1) Except as provided in paragraph (3) of this regulation, where a prescription for any drug states the quantity of each does in terms of fluid drachms, the equivalent of each fluid drachm shall for the purpose of dispensing the prescription be treated as 5 millilitres.

(2) Except as provided in paragraph (4) of this regulation, where a prescription other than a veterinary prescription is for a drug which is a mixture and—

(a)a formulation for such drug with a dose of one half of one fluid ounce is contained in any edition issued prior to 1968 of the British Pharmacopoeia or of the British Pharmaceutical Codex or in a National Formulary, or

(b)a formulation for such drug with a dose of 10 millilitres is contained in the edition of the British Pharmacopoeia, the British Pharmaceutical Codex or the British National Formulary current on the date of the making of these regulations or in any subsequent edition thereof or in any compendium prepared under paragraph (a) of subsection (3) and published under subsection (6) of section 99 of the Medicines Act 1968, or

(c)a formulation for such drug is set out in the prescription,

and such prescription states the quantity of each does in terms of fluid ounces, then for the purpose of dispensing the prescription the equivalent of each half of a fluid ounce shall be treated as 10 millilitres.

(3) Where a prescription other than a veterinary prescription for any drug which is a mixture, other than a mixture formulated for administration to children, states that the quantity of each does is to be 2 fluid drachms the equivalent of that quantity for the purpose of dispensing the prescription, shall be treated as 10 millilitres.

Provided that if the prescription refers (whether by the use of the monograph name or otherwise) to a monograph in the British Pharmacopoeia, the British Pharmaceutical Codex or the British National Formulary which contains a formulation of the drug with a does of one half of a fluid ounce or 10 millilitres, and the drug is not prescribed at twice the normal strength, the equivalent of a dose of 2 fluid drachms shall for the purpose of dispensing the prescription be treated as 10 millilitres of the drug at half the normal strength.

(4) Where a prescription other than a veterinary prescription for liquid paraffin or any fixed oil, with or without other ingredients, or for any drug which is a mixture other than a mixture to which paragraph (2) of this regulation refers, states the quantity of each dose in terms of fluid ounces, the equivalent of each half of a fluid ounce shall for the purpose of dispensing the prescription be treated as 15 millilitres.

(5) Where a veterinary prescription for any drug states the quantity of each dose in terms of fluid ounces, the equivalent of each half of a fluid ounce shall for the purpose of dispensing the prescription be treated as 15 millilitres.

Equivalents for total quantities in respect of prescriptions stating dose quantities

8.—(1) Where a prescription other than a veterinary prescription is a prescription such as is described in regulation 7(1) or differs from a prescription so described only in that it states the quantity of each dose in terms of millilitres instead of in terms of drachms, and such prescription is for a total quantity expressed as a number of fluid ounces mentioned in column 1 of Table 5, the equivalent of that total quantity shall for the purpose of dispensing the prescription be treated as the quantity set opposite thereto in column 2 of the table.

(2) Where a prescription is a prescription such as is described in regulation 7(2) or differs from a prescription so described only in that it states the quantity of each dose in terms of millilitres instead of in terms of fluid ounces, and such prescription is for a total quantity expressed as a number of fluid ounces mentioned in column 1 of Table 6, the equivalent of that total quantity shall for the purpose of dispensing the prescription be treated as the quantity set opposite thereto in column 2 of the table.

(3) Where a prescription to which regulation 7(3) refers is for a total quantity expressed as a number of fluid ounces mentioned in column 1 of Table 7, the equivalent of that total quantity shall for the purpose of dispensing the prescription be treated as the quantity set opposite thereto in column 2 of the table.

(4) Where a prescription to which paragraph (1) or paragraph (3) of regulation 7 refers is for a total quantity greater than 12 fluid ounces, the equivalent of the total quantity shall for the purpose of dispensing the prescription be treated as the corresponding multiple of the equivalent of 12 fluid ounces specified in column 2 of Table 5 or column 2 of Table 7, as the case may be, together with the equivalent specified in the relevant table of any residue of less than 12 fluid ounces.

(5) Where a prescription to which regulation 7(2) refers is for a total quantity greater than 24 fluid ounces, the equivalent of the total quantity shall for the purpose of dispensing the prescription be treated as the corresponding multiple of the equivalent of 24 fluid ounces specified in column 2 of Table 6 together with the equivalent specified in that table of any residue of less than 24 fluid ounces.

(6) In this regulation “corresponding multiple”, in relation to a quantity of fluid ounces, means the number of times that quantity will divide by 12 or 24 as the case may be.

(7) Where any prescription to which regulation 7 refers specifies quantities of ingredients of any drug in the total quantity to be dispensed, these regulations shall be treated as applying to the quantity of each such ingredient in each dose.

Control of sale and supply

9.—(1) Except as provided in paragraph (2) of this regulation, where any manufacturer, wholesale dealer or retail dealer sells or supplies any drug, he shall, if the order or prescription relating to such dealing is for an ingredient or total quantity expressed in terms of a number of units of measurement for which an equivalent quantity may be ascertained in accordance with regulations 4 and 5, carry out such dealing in terms of the equivalent quantity so ascertained.

(2) Where any manufacturer, wholesale dealer or retail dealer sells or supplies any drug—

(a)if the prescription relating to such dealing is a prescription such as is mentioned in regulation 6 which refers in the manner therein specified to a formulation of a drug expressed in terms of imperial units he shall carry out such dealing in terms of the metric equivalent for such imperial units ascertained in accordance with that regulation; or

(b)if the prescription relating to such dealing is a prescription to which paragraph (1), (2) or (3) of regulation 7 refers and—

(i)is for a total quantity expressed in terms of a unit of measurement specified in column 1 of Table 5, column 1 of Table 6 or column 1 of Table 7, or

(ii)being a prescription to which paragraph (1) or (3) of regulation 7 refers, is for a total quantity greater than 12 fluid ounces, or

(iii)being a prescription to which regulation 7(2) refers, is for a total quantity greater than 24 fluid ounces,

he shall carry out such dealing in terms of the equivalent quantity ascertained in accordance with regulations 7 and 8; or

(c)if the prescription is a prescription to which paragraph (4) or (5) of regulation 7 refers and is for a total quantity expressed in terms of a unit of measurement specified in column 1 of Table 4 or is for a total quantity greater than 1 pint he shall carry out such dealing in terms of the equivalent quantity ascertained in accordance with regulations 7 and 5.

Revocation

10. The Weights and Measures (Equivalents for dealings with drugs) Regulations 1969(2) are hereby revoked.

Keith Joseph

Secretary of State for Social Services

15th December 1970

Given under my hand on 10th December 1970.

Peter Thomas

Secretary of State for Wales

Given under the seal of the Secretary of State for Scotland on 11th December 1970.

L.S.

Gordon Campbell

Secretary of State for Scotland

SCHEDULE

TABLE 1

Weights of ingredients

Column 1

Column 2

grains

milligrammes

1/600

0.1

1/500

1/480

0.125

1/400

0.15

1/320

1/300

0.2

1/240

0.25

1/200

0.3

1/160

1/150

0.4

1/130

1/120

0.5

1/100

0.6

1/80

1/75

0.8

1/60

1

1/50

1.25

1/40

1.5

1/30

2

1/25

1/24

2.5

1/20

3

1/15

4

1/12

5

1/10

6

1/8

7.5

1/6

10

1/5

12.5

1/4

15

1/3

20

2/5

25

1/2

30

3/5

40

3/4

50

1

60

1¼

75

1½

100

2

125

2½

150

3

200

3½

4

250

4½

5

300

5½

6

400

6½

7

7½

450

8

500

9

10

600

11 to 13

800

14 to 16

1

17 to 20

1·2

21 to 25

1·5

26 to 29

1·8

30 to 33

2

34 to 37

2·3

38 to 43

2·5

44 to 51

3

52 to 57

3·5

58 to 65

4

66 to 76

4·5

77 to 84

5

85 to 102

6

103 to 115

7

116 to 135

8

136 to 150

9

151 to 165

10

166 to 180

11

181 to 190

12

191 to 220

13

221 to 250

15

251 to 275

17

276 to 325

20

326 to 350

22

351 to 375

23

376 to 400

25

401 to 425

26

426 to 450

28

451 to 480

30

Entries in the above Table expressed as one figure to another are inclusive of both figures.

TABLE 2

Volumes of ingredients

Column 1

Column 2

minims

millilitres

1

0·06

1½

0·09

2

0·12

2½

0·15

3

0·18

3½

0·2

4

4½

0·25

5

5½

0·3

6

7

7½

0·4

8

9

0·5

10

11

0.6

12

13

0·7

14

15

16

0·9

17

18

1

19 to 22

1·2

23 to 27

1·5

28 to 32

1·8

33 to 37

2

38 to 46

2·5

47 to 55

3

56 to 64

3·5

65 to 74

4

75 to 84

4·5

85 to 93

5

94 to 110

6

111 to 130

7

131 to 149

8

150 to 167

9

168 to 185

10

186 to 200

11

201 to 220

12

221 to 250

14

251 to 275

15

276 to 300

17

301 to 330

18

331 to 370

20

371 to 400

22

401 to 450

25

Entries in the above Table expressed as one figure to another are inclusive of both figures.

TABLE 3

Weights of total quantities

Column 1

Column 2

ounces avoirdupois or apothecaries

grammes

1 oz. or more but less than 1½ oz.

25

1½ oz. or more but less than 3 oz.

50

3 oz. or more but less than 5½ oz.

100

5½ oz. or more but less than 9 oz.

200

9 oz. or more but less than 14½ oz.

300

14½ oz. or more but not more than 16 oz. or 1 lb. avoirdupois

500

2w

TABLE 4

Volumes of total quantities

(other than those to which Table 5, 6 or 7 apply)

Column 1

Column 2

fluid ounces

millilitres

1 fl. oz. or more but less than 1½ fl. oz.

25

1½ fl. oz. or more but less than 3 fl. oz.

50

3 fl. oz. or more but less than 5½ fl. oz.

100

5½ fl. oz. or more but less than 9 fl. oz.

200

9 fl. oz. or more but less not more than 14½ fl. oz. or 1 pint or 1/8 gallon

300

14½ fl. oz. or more but not more than 20 fl. oz. or 1 pint or 1/8 gallon

500

TABLE 5

Total quantities of prescriptions described in regulation 8(1)

Column 1

Column 2

fluid ounces

millilitres

1/2

25

1

1½

50

2

3

100

4

150

5

6

200

8

10

300

12

500

TABLE 6

Total quantities of prescriptions described in regulation 8(2)

Column 1

Column 2

fluid ounces

millilitres

1/2

10

1

20

2

3

50

4

6

100

8

10

12

200

16

20

300

24

500

TABLE 7

Total quantities of prescriptions described in regulation 8(3)

Column 1

Column 2

fluid ounces

millilitres

1/4

10

1/2

20

1

1½

50

2

3

100

4

5

6

200

8

10

300

12

500

EXPLANATORY NOTE

These Regulations re-enact with amendments the provisions of the Weights and Measures (Equivalents for dealings with drugs) Regulations 1969. Those regulations prescribed for the purpose of any dealings with drugs equivalents between imperial and metric units of measurement and required, as from specified dates, that orders or prescriptions for the supply of drugs expressed in imperial units should be carried out in terms of the metric equivalent prescribed by the regulations.

The principal changes made by these regulations are—

(a)

the provision of metric equivalents for dealings with larger quantities of ingredients of veterinary drugs than were provided for in the 1969 regulations;

(b)

a variation of the metric equivalents for dose quantities of prescriptions for liquid paraffin, fixed oils and certain mixtures; and

(c)

the exclusion from the ambit of the regulations of dealings in drugs included in medicated animal feeding stuffs or medicated feed supplements.

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